According to research by the record labels Deutsche Grammaphon and Decca, classical music is being played faster and faster. Performances of Bach’s Double Violin Concerto, for example, are a third ...

Today is the day — this is not a drill. The first polls close at 6 p.m. Eastern tonight, and my colleague Nathaniel Rakich has you covered from there on with this hour-by-hour guide. The 7 p.m. hour ...

Test & Measurement Europe. Download the pdf. Instruments such as this DMM display as many as 5½ digits of resolution. (Courtesy of Keithley Instruments.) When you count apples, oranges, or transistors ...

The digits in a number that have actual value. For example, in the number 00005208, the 5-2-0-8 are the significant digits. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires ...

The answer to this week’s contest crossword is an 11-letter word. Email your answer in the subject line to crosswordcontest@wsj.com.